Severe

Significant threat to life or property

Idaho Freeze Watch | Effective 04/15/2026 01:12

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...A widespread hard freeze with sub-freezing temperatures as<br /> low as 20 possible. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Lower Snake<br /> River Plain, and Upper Snake River Plain. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other<br /> sensitive vegetation and possibly damage unprotected outdoor<br /> plumbing. Instruction:<br />

Illinois Severe Thunderstorm Warning | Effective 04/15/2026 01:12

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 312 AM CDT, a severe thunderstorm was located over Hebron, or near<br /> Lake Geneva, moving east at 50 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include...<br /> McHenry, Fox Lake, Johnsburg, Lakemoor, Spring Grove, Wonder Lake,<br /> Pistakee Highlands, Richmond, Hebron, McCullom Lake, Ringwood, and<br /> Greenwood. Instruction:<br />

Wisconsin Severe Thunderstorm Warning | Effective 04/15/2026 01:18

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 317 AM CDT, a severe thunderstorm was located over Pell Lake, or<br /> near Lake Geneva, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to<br /> roofs, siding, and trees. Locations impacted include...<br /> Lake Geneva, Genoa City, Richmond, Pell Lake, Como, Powers Lake,<br /> Burlington, and Springfield. Instruction:<br />

Illinois Severe Thunderstorm Warning | Effective 04/15/2026 00:48

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> SVRLOT The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for...<br /> Northern McHenry County in northeastern Illinois...<br /> Northern Boone County in north central Illinois... * Until 330 AM CDT. * At 247 AM CDT, a severe thunderstorm was located near Capron, or<br /> near Poplar Grove, moving east at 50 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated.

Iowa, Illinois Flood Watch | Effective 04/15/2026 00:50

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Illinois, including the following<br /> counties, Carroll, Jo Daviess and Stephenson and Iowa, including<br /> the following counties, Benton, Buchanan, Delaware, Dubuque,<br /> Jackson, Jones and Linn. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers,<br /> creeks, streams, and other low-lying and flood-prone locations.

Ohio Severe Thunderstorm Watch | Effective 04/15/2026 00:51

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> SEVERE THUNDERSTORM WATCH 118 REMAINS VALID UNTIL 5 AM EDT EARLY<br /> THIS MORNING FOR THE FOLLOWING AREAS IN OHIO THIS WATCH INCLUDES 6 COUNTIES IN NORTH CENTRAL OHIO ERIE HURON LORAIN IN NORTHWEST OHIO OTTAWA SANDUSKY SENECA THIS INCLUDES THE CITIES OF AVON LAKE, BELLEVUE, CLYDE, ELYRIA,<br /> FOSTORIA, FREMONT, GENOA, HURON, LORAIN, NORTH RIDGEVILLE,<br />

Wisconsin Flood Warning | Effective 04/15/2026 00:34

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Urban areas and small streams flooding caused by excessive<br /> rainfall is occurring. * WHERE...Portage County in central Wisconsin...<br /> East Central Wood County in central Wisconsin...<br /> Northern Manitowoc County in east central Wisconsin...<br /> Brown County in northeastern Wisconsin...<br /> Southern Door County in northeastern Wisconsin...<br /> Kewaunee County in northeastern Wisconsin...<br />

Wisconsin Flash Flood Watch | Effective 04/15/2026 00:38

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Flash Flooding caused by a potential dam or levee failure is<br /> possible near and downstream of the Balsam Row Road Dam * WHERE...A portion of northeast Wisconsin, including the following<br /> county, Shawano. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Dam failure may result in flash flooding of low-lying<br /> areas below the dam * ADDITIONAL DETAILS...<br /> - Emergency management reports dam failure remains possible.<br />

Oregon Freeze Watch | Effective 04/15/2026 00:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Sub-freezing temperatures as low as 28 to 32 possible. * WHERE...Upper Hood River Valley. * WHEN...From late tonight through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other<br /> sensitive vegetation and possibly damage unprotected outdoor<br /> plumbing. Instruction:<br /> To prevent water pipes from freezing; wrap or drain or allow them to<br /> drip slowly.
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